bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/query/pre/PreQuery.java

   1 package org.simantics.scl.compiler.elaboration.query.pre;
   2
   3 import gnu.trove.map.hash.TObjectIntHashMap;
   4 import gnu.trove.set.hash.THashSet;
   5 import gnu.trove.set.hash.TIntHashSet;
   6
   7 import java.util.ArrayList;
   8
   9 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
  10 import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
  11 import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
  12 import org.simantics.scl.compiler.elaboration.expressions.Variable;
  13 import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;
  14 import org.simantics.scl.compiler.elaboration.query.QConjunction;
  15 import org.simantics.scl.compiler.elaboration.query.QExists;
  16 import org.simantics.scl.compiler.elaboration.query.Query;
  17 import org.simantics.scl.compiler.elaboration.query.QueryVisitor;
  18 import org.simantics.scl.compiler.elaboration.query.compilation.ConstraintCollectionContext;
  19 import org.simantics.scl.compiler.types.Type;
  20
  21 /**
  22  * Query classes that may exist before resolving
  23  */
  24 public abstract class PreQuery extends Query {
  25
  26     public ArrayList<Variable> extraVariables = new ArrayList<Variable>(2);
  27     public ArrayList<Query> sideQueries = new ArrayList<Query>(2);
  28
  29     @Override
  30     public void collectFreeVariables(THashSet<Variable> vars) {
  31         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support collectFreeVariables.");
  32     }
  33
  34     @Override
  35     public void checkType(TypingContext context) {
  36         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support checkType.");
  37     }
  38
  39     @Override
  40     public void collectConstraints(ConstraintCollectionContext context) {
  41         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support collectConstraints.");
  42     }
  43
  44     @Override
  45     public void collectRefs(TObjectIntHashMap<Object> allRefs,
  46             TIntHashSet refs) {
  47         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support collectRefs.");
  48     }
  49
  50     @Override
  51     public void collectVars(TObjectIntHashMap<Variable> allVars,
  52             TIntHashSet vars) {
  53         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support collectVars.");
  54     }
  55
  56     @Override
  57     public Query replace(ReplaceContext replaceContext) {
  58         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support replace.");
  59     }
  60
  61     @Override
  62     final public void accept(QueryVisitor visitor) {
  63         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support accept.");
  64     }
  65
  66     protected Query withSideQueries(Query query) {
  67         if(!sideQueries.isEmpty()) {
  68             sideQueries.add(query);
  69             query = new QConjunction(sideQueries.toArray(new Query[sideQueries.size()]));
  70         }
  71         if(!extraVariables.isEmpty())
  72             query = new QExists(extraVariables.toArray(new Variable[extraVariables.size()]), query);
  73         return query;
  74     }
  75
  76     @Override
  77     public void forVariables(VariableProcedure procedure) {
  78         throw new InternalCompilerError(location, getClass().getSimpleName() + " does not support forVariables.");
  79     }
  80 }